Mazdutide
Research draft Appetite and blood sugar research Best evidence grade A Human research reviewed, scope limited
Evidence design, not proof of benefit or product approval
Holds on this record
- No supplier batch has been matched to this record. A reviewer must record batch evidence before approval.
- Not marked ready for client selection in the library.
- No human administration guide. Study routes are research descriptions, not instructions.
- Research draft. Not released customer guidance.
The nine headings
Each heading opens a plain summary, then the deeper evidence and the sources behind it.
What it is
A medicine that acts on glucagon and GLP-1 receptors.
Sources for this tile
- Mazdutide: Chinese phase 3 trial (2025 · Published abstract · checked 2026-10-08)
- Mazdutide: US phase 2 trial (Hsia and colleagues · 2026 · Published abstract · checked 2026-10-08)
The history
A Chinese phase 3 study and a newer US phase 2 study were checked. Their participant groups and regimens differ.
Sources for this tile
- Mazdutide: Chinese phase 3 trial (2025 · Published abstract · checked 2026-10-08)
- Mazdutide: US phase 2 trial (Hsia and colleagues · 2026 · Published abstract · checked 2026-10-08)
How it works
Open the pathway notes below. A biological pathway is a possible chain of events in the body. The grade states where it was tested.
Sources for this tile
- Mazdutide: US phase 2 trial (Hsia and colleagues · 2026 · Published abstract · checked 2026-10-08)
Each proposed mechanism
Two hormone pathways
The US study describes dual glucagon and GLP-1 receptor activity.
Evidence note: Described biology; not directly tested by this outcome trial
Sources
- Mazdutide: US phase 2 trial (Hsia and colleagues · 2026 · Published abstract · checked 2026-10-08)
Go deeper
Two hormone pathways Described biology; not directly tested by this outcome trial
The US study describes dual glucagon and GLP-1 receptor activity.
Sources
- Mazdutide: US phase 2 trial (Hsia and colleagues · 2026 · Published abstract · checked 2026-10-08)
What it helps
Open the outcome notes. They show the tested condition and what was measured. A positive marker, a mouse result and a clinical benefit are different things.
Sources for this tile
- Mazdutide: Chinese phase 3 trial (2025 · Published abstract · checked 2026-10-08)
- Mazdutide: US phase 2 trial (Hsia and colleagues · 2026 · Published abstract · checked 2026-10-08)
Read this before you read a benefit into it
Laboratory and animal results describe what happened in that model. They are not proven healing in a person. Human studies name their own population, outcome and limits. Both are kept apart here on purpose.
Human research found for this product
Mazdutide: Chinese phase 3 trial A
| Proof grade | A |
|---|---|
| Design | Randomised placebo-controlled phase 3 |
| People or model | Chinese adults with overweight or obesity |
| Number | 610 |
| Outcome measured | Weight |
| Result | At 48 weeks, mean weight change was -11.00% and -14.01% in active groups, versus +0.30% with placebo. |
| Route in the study | Subcutaneous |
| Duration | 48 weeks |
| Personal regimen | Not set. A study regimen is not a personal instruction. |
Source
- Mazdutide: Chinese phase 3 trial (2025 · Published abstract · checked 2026-10-08)
Mazdutide: US phase 2 trial A
| Proof grade | A |
|---|---|
| Design | Randomised placebo-controlled phase 2 |
| People or model | US adults with overweight or obesity without type 2 diabetes |
| Number | 179 |
| Outcome measured | Weight |
| Result | At 32 weeks, mean weight change was -7.3%, -15.6% and -18.1% across active groups, versus -0.9% with placebo. |
| Route in the study | Subcutaneous |
| Duration | 48-week trial; primary endpoint at 32 weeks |
| Risks noted | Gut symptoms; 20% in the highest-dose group stopped for adverse events. |
| Personal regimen | Not set. A study regimen is not a personal instruction. |
Source
- Mazdutide: US phase 2 trial (Hsia and colleagues · 2026 · Published abstract · checked 2026-10-08)
Go deeper
Weight A
A: Tested in Chinese adults with overweight or obesity. Read the study result in the human or researcher layer. This is a tested outcome, not a promised benefit.
Sources
- Mazdutide: Chinese phase 3 trial (2025 · Published abstract · checked 2026-10-08)
Weight A
A: Tested in US adults with overweight or obesity without type 2 diabetes. Read the study result in the human or researcher layer. This is a tested outcome, not a promised benefit.
Sources
- Mazdutide: US phase 2 trial (Hsia and colleagues · 2026 · Published abstract · checked 2026-10-08)
The research
Each claim keeps its own source, evidence grade and limits. This is a scoped first research edition. It is not a full review or a personal treatment plan.
Sources for this tile
- Mazdutide: Chinese phase 3 trial (2025 · Published abstract · checked 2026-10-08)
- Mazdutide: US phase 2 trial (Hsia and colleagues · 2026 · Published abstract · checked 2026-10-08)
Overall state of the evidence
Status: scoped-human-evidence
A greater average weight loss does not establish a better choice for an unknown client. Exact formulation and local approval are not verified.
Risk summary
A greater average weight loss does not establish a better choice for an unknown client. Exact formulation and local approval are not verified.
Unwanted effects reported in the sources
- Gut symptoms; 20% in the highest-dose group stopped for adverse events. (Mazdutide: US phase 2 trial)
What is still open
- Supplier identity and batch match have not been verified
- Full-text systematic review and complete interactions are not finished
- Current medicines
- Gut history
- Exact product and current label
Checks a reviewer must finish first
- Current medicines
- Gut history
- Exact product and current label
How to read the proof grades
- A: Controlled human trial. Note whether randomisation and blinding were confirmed.
- B: Small uncontrolled human study or chart review.
- C: Whole-animal intervention.
- D: Cell or other laboratory study.
- E: User reports. Kept separate and never substituted for a measured outcome.
- ungraded: Identity sources, official labels, notices, reviews and unverified claims are not assigned an efficacy grade.
Go deeper
How to read the proof Open the checked detail
A: controlled human trial. State whether it was blinded and randomized. B: small uncontrolled human study or chart review; a weak clinical comparison is marked with its design limits. C: whole-animal work. D: cells or other lab work. E: user reports.
A grade describes the kind of evidence for one claim. It does not grade every claim about a peptide or approve a product. Labels, history and regulatory reviews are named sources, not efficacy grades.
Sources
- Future Health research method (Christopher’s supplied research method; read in full · checked 2026-10-09)
Open questions Open the checked detail
Supplier identity and batch match have not been verified
Full-text systematic review and complete interactions are not finished
Current medicines
Gut history
Exact product and current label
Research in people
Open the linked human study records. Each names the tested group, design, result and limits. Related-compound and non-treatment studies are marked so they cannot be used as product treatment proof.
Sources for this tile
- Mazdutide: Chinese phase 3 trial (2025 · Published abstract · checked 2026-10-08)
- Mazdutide: US phase 2 trial (Hsia and colleagues · 2026 · Published abstract · checked 2026-10-08)
Studies named in this tile
| Personal regimen | Not set. A study regimen is not a personal instruction. |
|---|
| Personal regimen | Not set. A study regimen is not a personal instruction. |
|---|
What people report
No user reports are recorded for this product. The library keeps human studies and user reports in separate places, so nothing is filled in here.
Each human record
Mazdutide: Chinese phase 3 trial A
| Proof grade | A |
|---|---|
| Design | Randomised placebo-controlled phase 3 |
| People or model | Chinese adults with overweight or obesity |
| Number | 610 |
| Outcome measured | Weight |
| Result | At 48 weeks, mean weight change was -11.00% and -14.01% in active groups, versus +0.30% with placebo. |
| Route in the study | Subcutaneous |
| Duration | 48 weeks |
| Personal regimen | Not set. A study regimen is not a personal instruction. |
Source
- Mazdutide: Chinese phase 3 trial (2025 · Published abstract · checked 2026-10-08)
Mazdutide: US phase 2 trial A
| Proof grade | A |
|---|---|
| Design | Randomised placebo-controlled phase 2 |
| People or model | US adults with overweight or obesity without type 2 diabetes |
| Number | 179 |
| Outcome measured | Weight |
| Result | At 32 weeks, mean weight change was -7.3%, -15.6% and -18.1% across active groups, versus -0.9% with placebo. |
| Route in the study | Subcutaneous |
| Duration | 48-week trial; primary endpoint at 32 weeks |
| Risks noted | Gut symptoms; 20% in the highest-dose group stopped for adverse events. |
| Personal regimen | Not set. A study regimen is not a personal instruction. |
Source
- Mazdutide: US phase 2 trial (Hsia and colleagues · 2026 · Published abstract · checked 2026-10-08)
Why it is for you
This is the shared library. No client has been assessed in this record. This tile will use the person's own words, a named target and checked rule-outs after intake. A catalog entry does not mean it is suitable for someone.
Not filled in for you yet
This heading is personal. It stays blank until your own intake is reviewed and a plan is agreed with you. Nobody else's reasons or results are shown here.
What you would notice
A greater average weight loss does not establish a better choice for an unknown client. Exact formulation and local approval are not verified.
Sources for this tile
- Mazdutide: Chinese phase 3 trial (2025 · Published abstract · checked 2026-10-08)
- Mazdutide: US phase 2 trial (Hsia and colleagues · 2026 · Published abstract · checked 2026-10-08)
Not filled in for you yet
This heading is personal. It stays blank until your own intake is reviewed and a plan is agreed with you. Nobody else's reasons or results are shown here.
How it is taken
The trials used injections under the skin. Research routes describe what was studied. They are not a client administration guide.
Sources for this tile
- Mazdutide: Chinese phase 3 trial (2025 · Published abstract · checked 2026-10-08)
- Mazdutide: US phase 2 trial (Hsia and colleagues · 2026 · Published abstract · checked 2026-10-08)
Routes seen in the research
- Subcutaneous
Dose and cycle fields in the library
These are blank on purpose. A personal amount, schedule, mixing or storage instruction is only written into an agreed plan after a reviewer checks the exact product.
| dose | Blank |
|---|---|
| unit | Blank |
| frequency | Blank |
| timeOfDay | Blank |
| foodTiming | Blank |
| route | Blank |
| injectionSite | Blank |
| cycleLength | Blank |
| restLength | Blank |
| titration | Blank |
| mixing | Blank |
| storage | Blank |
| expiryAfterMixing | Blank |
Identity
| What it is made of | A medicine that acts on glucagon and GLP-1 receptors. |
|---|---|
| Maker | Not recorded |
| Supplier batch matched | No. Not matched to a supplier batch. |
| Catalog sizes | 10mg - Inherited reference only; stock and current product sizes unverified |
| Record checked on | 2026-10-08 |
Shared safety note
FDA flags immune reactions and impurities in several compounded peptides. Its notice also reports serious events in IV ipamorelin research, heart-rate and vessel-dilation reactions with CJC-1295, glucose concerns with GHRP-2/6, and serious case reports with melanotan II. Reports do not by themselves establish causation. This concerns proposed compounded products and routes, not every formulation worldwide.
Source
- FDA: compounding safety concerns (FDA · Official safety notice · checked 2026-10-08)